Home / 179,586.75-269,381.48-79,720.10

Finding the Fourth Proportional to 179,586.75, 269,381.48 and 79,720.10

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Solution

The fourth proportional to 179,586.75, 269,381.48 and 79,720.10 is: 119,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,586.75 : 269,381.48 = 79,720.10 : x
  2. Step 2: Convert to fraction form
    179,586.75/269,381.48 = 79,720.10/x
  3. Step 3: Cross multiply
    179,586.75x = 269,381.48 × 79,720.10
  4. Step 4: Simplify right side
    179,586.75x = 21,475,116,778.24
  5. Step 5: Solve for x
    x = 21,475,116,778.24/179,586.75
  6. Step 6: Final answer
    x = 119,580.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.